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In this study, the adsorption of nonionic amphiphiles from aqueous solutions to solid, planar surfaces is investigated using null ellipsometry. This technique allows independent measurements of the amounts adsorbed at the surface and of the mean optical thickness of the adsorbed layer. The time resolution is sufficient for investigating the dynamics of adsorption and desorption in systems of this
We present recent advances in the modelling and simulation of Internal Traverse Grinding, a high performance grinding process incorporating a high rate of material removal combined with a high surface quality. Due to a special grinding wheel geometry, the latter two goals are achieved in just one pass of the tool through the axisymmetric workpiece. The simulation framework we present generally con
Att drabbas av cancer blir en påminnelse och ett hot om livets slut. Det finns då ett behov av att navigera i en fragmenterad och okänd livssituation. På okänt cancervatten är en studie baserad på 19 cancerpatienters berättelser om sina vardagsliv. Syftet med studien är att genom öppna intervjuer lyssna och iaktta vad informanterna ansåg viktigt i sina liv. Att förstå och finna mönster i hur de ha
The standard approach in feedback control systems is to sample and control periodically. For some applications, such as networked control systems or severely energy-constrained systems, it could be advantageous to instead use event-based control schemes. Aperiodic control (that is, event-based control with no specified minimum inter-event time) of first-order stochastic systems has been investigat
The analysis is focused on attitudes towards nuclear power and public risk perceptions in Sweden and Lithuania. Recent theories of risk-society, reflexive modernization as well as social-psychological approaches are used.
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Two extreme groups of healthy male undergraduate students, either highly (n=12) or low creative (n=12), were pre-selected from a larger cohort (N= 60) by way of the Creative functioning test (Smith and Carlsson, 1990). The two groups underwent measurements of cerebral blood flow (CBF). CBF was measured first during rest and during three verbal tasks (random order): Automatic speech (Auto), word fl
